@inproceedings{ FERNANDEZ:314-315,

author = { FRANCISCO FERNANDEZ GARCIA } ,

title = { REPRESENTATION SYSTEM IN SCHOOL ALGEBRAIC PROBLEMS },

booktitle = { ANNUAL MEETING OF THE NORTH AMERICA CONFERENCE FOR THE PSYCHOLOGY OF MATHEMATICS EDUCATION (21.1999.MORELOS, MÉXICO) },

year = { 1999 },

pages = { 314 - 315 },

location = { MORELOS, MÉXICO },

}